using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;

public class SkillBubbleManager : MonoBehaviour
{
    public List<SkillData> mListSkill = new List<SkillData>(10);

    Queue<SkillData> mQSkillDataPool = new Queue<SkillData>(10);

    public void Initialize()
    {
        for(int i=0; i<10; ++i)
        {
            mQSkillDataPool.Enqueue(new SkillData());
        }
    }

    public void SpawnSkill(BattleCharacter character)
    {
        var existSkill = GetExistSkill(character);
        if(null != existSkill)
        {
            existSkill.OnStack();
            return;
        }

        var newSkill = GetNewSkillData();
        newSkill.Set(character);
        mListSkill.Add(newSkill);
    }

    public void RemoveSkill(int idx)
    {
        mListSkill.RemoveAt(idx);   
    }

    SkillData GetExistSkill(BattleCharacter character)
    {
        var skill = mListSkill.FirstOrDefault((item) => item.Owner == character);
        if (null == skill)
            return null;

        if (false == skill.IsStackable())
            return null;

        return skill;
    }

    SkillData GetNewSkillData()
    {
        if (mQSkillDataPool.Count <= 0)
        {
            mQSkillDataPool.Enqueue(new SkillData());
        }

        return mQSkillDataPool.Dequeue();
    }
}